element

Noun
  1. is a type of: division, part, section - one of the portions into which something is regarded as divided and which together constitute a whole
    subtypes:
    same as: component, constituent, factor, ingredient
  2. is a type of: part, portion - something less than the whole of a human artifact
    subtypes:
    • accessory, add-on, appurtenance, supplement - a supplementary component that improves capability
    • add-on, addition, improver - a component that is added to something to improve it
    • audio - the sound elements of television
    • auto part, car part - a component of an automobile
    • crystal - a crystalline element used as a component in various electronic devices
    • computer hardware, hardware - (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
    • heating element - the component of a heater or range that transforms fuel or electricity into heat
    • ingredient - a component of a mixture or compound
    • input - a component of production; something that goes into the production of output
    • landside - component consisting of a side piece opposite the moldboard
    • making - (usually plural) the components needed for making or doing something
    • module - a self-contained component (unit or item) that is used in combination with other components
    • pel, picture element, pixel - (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)
    • retrofit - a component or accessory added to something after it has been manufactured
    • spare, spare part - an extra component of a machine or other apparatus
    • spark gap - a component of an ignition system; consists of two shaped electrodes and the space between them
    same as: component, constituent
  3. is a type of: substance - the real physical matter of which a person or thing consists
    subtypes:
    • allotrope - a structurally different form of an element
    • transuranic element - any element having an atomic number greater than 92 (which is the atomic number of uranium); all are radioactive
    • argonon, inert gas, noble gas - any of the chemically inert gaseous elements of the helium group in the periodic table
    • metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    • nonmetal - a chemical element lacking typical metallic properties
    • transactinide - any of the artificially produced elements with atomic numbers greater than 103
    • ac, actinium, atomic number 89 - a radioactive element of the actinide series; found in uranium ores
    • ar, argon, atomic number 18 - a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
    • arsenic, as, atomic number 33 - a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
    • astatine, at, atomic number 85 - a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
    • atomic number 107, bh, bohrium, element 107 - a transuranic element
    • atomic number 5, b, boron - a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
    • atomic number 35, br, bromine - a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
    • atomic number 6, c, carbon - an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
    • atomic number 17, chlorine, cl - a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
    • atomic number 110, darmstadtium, ds, element 110 - a radioactive transuranic element
    • atomic number 105, db, dubnium, element 105, hahnium - a transuranic element
    • atomic number 9, f, fluorine - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
    • atomic number 32, ge, germanium - a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
    • atomic number 108, element 108, hassium, hs - a radioactive transuranic element
    • atomic number 2, he, helium - a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
    • atomic number 1, h, hydrogen - a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
    • atomic number 53, i, iodin, iodine - a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
    • atomic number 36, kr, krypton - a colorless element that is one of the six inert gasses; occurs in trace amounts in air
    • atomic number 103, lawrencium, lr - a radioactive transuranic element synthesized from californium
    • atomic number 109, element 109, meitnerium, mt - a radioactive transuranic element
    • atomic number 101, md, mendelevium, mv - a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
    • atomic number 10, ne, neon - a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
    • atomic number 7, n, nitrogen - a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
    • atomic number 102, no, nobelium - a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known
    • atomic number 8, o, oxygen - a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
    • atomic number 15, p, phosphorus - a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
    • atomic number 94, plutonium, pu - a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
    • atomic number 86, radon, rn - a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
    • atomic number 111, element 111, rg, roentgenium - a radioactive transuranic element
    • atomic number 104, element 104, rf, rutherfordium, unnilquadium, unq - a radioactive transuranic element which has been synthesized
    • atomic number 106, element 106, seaborgium, sg - a transuranic element
    • atomic number 34, se, selenium - a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
    • atomic number 14, si, silicon - a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
    • atomic number 16, s, sulfur, sulphur - an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
    • atomic number 52, te, tellurium - a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
    • atomic number 112, element 112, ununbium, uub - a radioactive transuranic element
    • atomic number 116, element 116, ununhexium, uuh - a radioactive transuranic element
    • atomic number 115, element 115, ununpentium, uup - a radioactive transuranic element
    • atomic number 114, element 114, ununquadium, uuq - a radioactive transuranic element
    • atomic number 113, element 113, ununtrium, uut - a radioactive transuranic element
    • atomic number 54, xe, xenon - a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
    • trace element - an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
    has: atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element
    same as: chemical element
  4. is a type of: environment, environs, surround, surroundings - the area in which something exists or lives
  5. is a type of: substance - the real physical matter of which a person or thing consists
    subtypes:
    • air - once thought to be one of four elements composing the universe (Empedocles)
    • fire - once thought to be one of four elements composing the universe (Empedocles)
    • earth - once thought to be one of four elements composing the universe (Empedocles)
    • ether, quintessence - the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
    • water - once thought to be one of four elements composing the universe (Empedocles)
  6. is a type of: situation, state of affairs - the general state of things; the combination of circumstances at a given time
  7. is a type of: straight line - a line traced by a point traveling in a constant direction; a line of zero curvature
    subtypes:

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